Greenhalgh & Co.
Chartered Building Surveyors & Valuers
21 Towncroft Lane
Bolton BL1 5EN
Tel: +44 (0)1204 845382
Mob: +44 (0)7813 439196
RICS Company No. 002973
Deleterious building materials
The list below gives the common materials which are usually considered deleterious
Ø High Alumina Cement
Ø Wood wool slabs in permanent formwork to concrete.
Ø Calcium Chloride or Sodium Chloride in concrete.
Ø Asbestos Products.
Ø Marine or sea dredged aggregates.
Ø Lead, or materials containing lead, which may be ingested or absorbed.
Ø Calcium silicate bricks or tiles.
Ø Materials composed of mineral fibres which have a diameter of 3 microns or less or a length of 200 microns or less.
Ø Decorative finishes containing lead or asbestos.
Ø Paints and wood preservatives containing Pentachlorophenol.
Ø Vermiculite, unless it is established as being fibre free.
Ø Products containing cadmium that are referred to in the Environmental Regulations.